From: qiang.zhang@windriver.com
To: bristot@redhat.com, rostedt@goodmis.org, bristot@kernel.org,
mingo@redhat.com
Cc: linux-kernel@vger.kernel.org
Subject: [PATCH] trace/osnoise: fix missed cpus_read_unlock()
Date: Sun, 29 Aug 2021 13:52:06 +0800 [thread overview]
Message-ID: <20210829055206.137025-1-qiang.zhang@windriver.com> (raw)
From: "Qiang.zhang" <qiang.zhang@windriver.com>
When start_kthread() return error, the cpus_read_unlock() need
to be called.
Signed-off-by: Qiang.zhang <qiang.zhang@windriver.com>
---
kernel/trace/trace_osnoise.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/kernel/trace/trace_osnoise.c b/kernel/trace/trace_osnoise.c
index 65b08b8e5bf8..45d22d6f3acb 100644
--- a/kernel/trace/trace_osnoise.c
+++ b/kernel/trace/trace_osnoise.c
@@ -1568,6 +1568,7 @@ static int start_per_cpu_kthreads(struct trace_array *tr)
retval = start_kthread(cpu);
if (retval) {
stop_per_cpu_kthreads();
+ cpus_read_unlock();
return retval;
}
}
--
2.25.1
next reply other threads:[~2021-08-29 6:00 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-29 5:52 qiang.zhang [this message]
2021-08-30 17:26 ` Daniel Bristot de Oliveira
2021-08-31 1:47 ` Zhang, Qiang
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